Tom Karlsen is a private shareholder. Tom Karlsen holds a stake in 1 company, and roles in several others.

Companies Tom Karlsen owns

Company	Stake
ALTERRA AS	6.0%

Roles

Styremedlem

1 selskap

ALTERRA AS 933621995

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.